NOIRON à AIZENAY, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

17/01/13
3.3
19/02/13
1.5
14/03/13
2.6
11/04/13
6.3
21/05/13
8.7
17/06/13
7
11/07/13
0.5
28/08/13
1.4
18/09/13
6.5
16/10/13
4.5
13/11/13
2.2
17/12/13
1.9
16/01/14
4.2
13/02/14
4.5
13/03/14
2.6
15/04/14
2.5
20/05/14
6
12/06/14
2.3
17/07/14
1.8
19/08/14
2.9
17/09/14
0.5
14/10/14
1.5
19/11/14
1.8
18/12/14
2.1
14/01/15
4.6
17/02/15
2.7
18/03/15
6.7
14/04/15
2
20/05/15
2.1
11/06/15
1.8
16/07/15
2.2
20/08/15
3
22/09/15
1.4
13/10/15
1.1
12/11/15
0.7
08/12/15
2.9
07/01/16
3.2
10/02/16
3.2
15/03/16
1.6
20/04/16
3
12/05/16
3.6
14/06/16
1.9
12/07/16
1.3
18/08/16
2.1
14/09/16
3.3
11/10/16
1.3
08/11/16
2.4
06/12/16
0.9
03/01/17
2.2
07/02/17
2.5
06/03/17
3.5
04/04/17
1.2
09/05/17
3
06/06/17
4
04/07/17
3.5
01/08/17
4.7
04/09/17
5.2
03/10/17
1.2
09/11/17
2.2
12/12/17
2.8
17/01/18
2.2
13/02/18
2.5
14/03/18
1.6
18/04/18
2.4
24/05/18
1.9
21/06/18
2.6
18/07/18
1.1
09/08/18
6
12/09/18
1.6
17/10/18
0.7
21/11/18
1.9
19/12/18
2.8
29/01/19
2.6
19/02/19
2.9
19/03/19
2.1
18/04/19
3.6
15/05/19
2.1
12/06/19
2.6
09/07/19
3.8
13/08/19
2.7
10/09/19
6
15/10/19
3.4
13/11/19
1.7
10/12/19
1.3
07/02/20
2.2
29/06/20
5.8
21/08/20
3
27/10/20
2.8
12/11/20
2.2
23/12/20
2.7
15/02/21
2.3
26/04/21
3.6
25/06/21
2.6
31/08/21
3.7
27/10/21
2.1
27/12/21
3
Limite de quantif.
11/01/22
1.7
08/02/22
1.4
08/03/22
1.2
14/04/22
2.6
10/05/22
3.4
14/06/22
1.5
05/07/22
4.4
02/08/22
2.2
06/09/22
1.2
04/10/22
1.5
07/11/22
2.4
06/12/22
1.4
17/01/23
2
21/02/23
1.8
16/03/23
3.1
19/04/23
2.5
11/05/23
2.7
05/06/23
2
10/07/23
2.2
16/08/23
3.7
06/09/23
1.2